Improvement in apparatus for refining sugars and sirups



, S. H. GBLMAN. Apparatus for vRenhag Sugars and Simms.

Fatentedct. 2, i873.

AM Film-ITHO GRAPH@ fa M wana/w53 Mm'ss/ '.TNITED 4STATES.

V lAfrnivti CFFIGE.

lSAMUEL H. GILMAN, OF ORLEANS, LOUISIANA.

IMPROVEMENT 1N APPARATUS Fon Rei-mme sueARs AND smuPs.

Specification forming part of Letters Patent No. 1143.754, dated October 21, 1873; application tiled September 26, 1873.

` To allwhom t may concern:

ABe it known that I, einem n. 'Gini/nr, of

New Orleans, in the parish of Orleans and State of Louisiana, have invented a new and useful Apparatus for Separating Foreign Substances from Saccharine Solutions in the Brocess of exact description of the same, reference being had to the accompanying drawings forming part of this specification, in which- I Figure l is a vertical central section of my improved apparatus. Fig. 2 is a view at right angles to Fig. 1, showing the apparatus part in section and part in elevation. Fig. 3 is a horizontal section in the line y y of Fig. l. Fig. 4 is 'a similar ,section in the line a; :v of Fig. 1. Fig. 5 is a detail view of the upper strainer. Fig. 6 is a detail view of one of the clamps for the man-hole cover.

Similar letters of reference in the dierent gures indicate like parts.

The object of my invention is to heat the saccharine or other solutions to be puriiied` to any desired temperature before it reaches the purifying agent, (bone-black, for instance 5) also, to keep it at any desirable and an unvarying te1nperature while in contact with the said agent; also, to cause a deposit of insoluble matter in a chamber before the solution enters the chamber which "contains the purifying agent; also, to provide for drawing off such insoluble deposit at any time during the process without interfering with the constant working of the apparatus, and by the same channel facilitate the washing down of the purifying-chamber, all as will be hereinafter explained.

To enable others skilled in the art to make and use my invention, I will proceed to describe the same with reference to the drawings.

to afford room for the necessary pipe-connections and cocks. The inner cylinder B is shaped at its upper end c very much like the shoulderneck of a bott-le, and at its lower end d has the form4 of an inverted cone, and both ends of this cylinder are open. The said upper end of the cylinder Bis flanged and bolted to the under side of the annular head b of the cylinder A,

its mouth coming just within the margin of the annulus of said head, and being closed by `a cap, @,which is firmly bolted to the head b, as shown. The lower terminus of the conical portion of the cylinder B is extended downward in form of a hollow cylinder through the head a of the vessel A, and is screw-threaded to receive a draw-oif cock, C, as represented. A flange, i', sustains the vessel B upon the head a. At the base of the inverted cone a strong grating, f, is constructed, and upon this grating a iine brass wire-gauze is to be placed to serve as a strainer. A similar grating, g, with wire-gauze covering it, is placed at the base of the bottleneck-shaped upper portion of the cylinder B,

-as shown. For access to the cylinder B, through the side of cylinder A a manhole, D, is constructed, and the same is closed by a cover, h, fastened by a screw-clamp, i, as shown in the drawings. Through this manhole the bone black or purifying agent maybe withdrawn, Y

and through the opening closed by the cap c the said agent may be introduced into the cylinder B after the cover c and grating g are temporarily lifted out of position. The inner cylinder stands within the outer cylinder in such manner that there is an annular chamber, E, all around it. This chamber or space is for containing the water or fluid for heating the saccharine juices or other solutions in their passage to the iiltering-ehamber B. "Within this chamber, from near the top to the conical terminus of vessel B, a feed or saccharine-juicesupply pipe, j, is arranged, the said pipe coming in through the upper portion of the outer vessel A, making one or more coils, and then running down to and entering the conical portion of the vessel B, as shown. The pipej leads from an ordinary force-pump, (not showin) by which the saccharine or other solutions are forced into and through the purifying apparatus, and out into a receiver. For the purpose of discharging the saccharine solutions after they are puriiied from the vessel B into a receiver, a pipe, k, is passed through the vessel A into the neck portion of the vessel B, as shown; and for the purpose of heating water which is placed in the chamber E, a steam' blow-up7 pipe, G, which is finely perforated, is coiled and arranged upon the inner surface v of the head a, and its end carried through said head and connected with an ordinary steamgeneratorf There may be another pipe for hot Water at the top of the cylinderA in said chamber E. H is an overflow-pipe for the chamber E. A thermometer is placed on the cylinder A at any convenient point for indicatr ing the temperature of the Water in the said cylinder A.

The cylinderB is filled with bone-black and the space E with water, which is heated to 1600,

or any temperature desired or required, after which the feed-pump is started, and the solu-A tion for iiltration is forced, through the feed- Apipe j, into the conical part of vessel B, and,

when it is" full, up through the bone-black in vessel B, and, through the discharge-pipe k, to a receiver or tank. The depositwhich will fall into the apex of the inverted cone of yessel B may at any time be drawn oiby the stopcock C Without interfering with the Working of the lter. ter, principally salts of lime, is deposited in the apex ofthe inverted cone, the same having A large amount of solid m at,

onstrated the fact that they will make' the iinest qualities' of sugar from ordinary-Cuba molasses, which cannot be made at all with the ordinary iilters 5 and, further, that the improved iilters render a given amount of bone- .black three times as eiiective` as the ordinary filter; and, fmther, that these lters are Washed down in much less time from the facility of keeping them nearly or quite up to the teinperature of boiling Water, and that this fact involves a much smaller loss from diluted sweet Water'.

Having described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. A filter or puriiier composed of the cylinders A and B, the inner one being Jnlled with bone-black or other purifying agent, and the outer one With Water to be heated, substantially as set forth.

2. The inverted cone at the bottom of the vessel B, into which the solution to be ltered is first received before passing up through the bone-black or purifying agent, substantially as described.

3. The feed-pipe j, immersed in hot water, substantially as and for the purpose described.

4. Thedra noff cock C, substantially as and4 Vitnesses MAUNsEL W. CHAPMAN, CHARLES K. HALL. 

